Sep 02 15:31:37.105 INFO checking elementtree-0.5.0 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 15:31:37.105 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 15:31:37.105 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/try#952c7dbfa2628309f557b367929ffc17af20b332:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 15:31:37.353 INFO blam! 5a6a609f1d4dc0f8cb69bbda8d5fe88882a81eeb32006358c14956595ed53592
Sep 02 15:31:37.356 INFO running `"docker" "start" "-a" "5a6a609f1d4dc0f8cb69bbda8d5fe88882a81eeb32006358c14956595ed53592"`
Sep 02 15:31:38.325 INFO kablam!     Checking elementtree v0.5.0 (file:///source)
Sep 02 15:31:43.174 INFO kablam! warning: variable does not need to be mutable
Sep 02 15:31:43.174 INFO kablam!    --> tests/test_basic.rs:138:13
Sep 02 15:31:43.174 INFO kablam!     |
Sep 02 15:31:43.174 INFO kablam! 138 |         let mut list = root.append_new_child("{demo}list");
Sep 02 15:31:43.174 INFO kablam!     |             ----^^^^
Sep 02 15:31:43.174 INFO kablam!     |             |
Sep 02 15:31:43.174 INFO kablam!     |             help: remove this `mut`
Sep 02 15:31:43.174 INFO kablam!     |
Sep 02 15:31:43.174 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 02 15:31:43.174 INFO kablam! 
Sep 02 15:31:43.189 INFO kablam! warning: variable does not need to be mutable
Sep 02 15:31:43.189 INFO kablam!    --> tests/test_basic.rs:183:13
Sep 02 15:31:43.189 INFO kablam!     |
Sep 02 15:31:43.189 INFO kablam! 183 |         let mut list = root.append_new_child("{demo}list");
Sep 02 15:31:43.189 INFO kablam!     |             ----^^^^
Sep 02 15:31:43.189 INFO kablam!     |             |
Sep 02 15:31:43.189 INFO kablam!     |             help: remove this `mut`
Sep 02 15:31:43.189 INFO kablam! 
Sep 02 15:31:43.194 INFO kablam! warning: variable does not need to be mutable
Sep 02 15:31:43.194 INFO kablam!    --> tests/test_basic.rs:210:13
Sep 02 15:31:43.194 INFO kablam!     |
Sep 02 15:31:43.194 INFO kablam! 210 |         let mut list = root.append_new_child("{demo}list");
Sep 02 15:31:43.194 INFO kablam!     |             ----^^^^
Sep 02 15:31:43.194 INFO kablam!     |             |
Sep 02 15:31:43.194 INFO kablam!     |             help: remove this `mut`
Sep 02 15:31:43.194 INFO kablam! 
Sep 02 15:31:43.199 INFO kablam! warning: variable does not need to be mutable
Sep 02 15:31:43.199 INFO kablam!    --> tests/test_basic.rs:238:13
Sep 02 15:31:43.199 INFO kablam!     |
Sep 02 15:31:43.199 INFO kablam! 238 |         let mut list = root.append_new_child("{demo}list");
Sep 02 15:31:43.199 INFO kablam!     |             ----^^^^
Sep 02 15:31:43.199 INFO kablam!     |             |
Sep 02 15:31:43.199 INFO kablam!     |             help: remove this `mut`
Sep 02 15:31:43.199 INFO kablam! 
Sep 02 15:31:43.204 INFO kablam! warning: variable does not need to be mutable
Sep 02 15:31:43.204 INFO kablam!    --> tests/test_basic.rs:266:13
Sep 02 15:31:43.204 INFO kablam!     |
Sep 02 15:31:43.204 INFO kablam! 266 |         let mut list = root.append_new_child("{demo}list");
Sep 02 15:31:43.204 INFO kablam!     |             ----^^^^
Sep 02 15:31:43.204 INFO kablam!     |             |
Sep 02 15:31:43.204 INFO kablam!     |             help: remove this `mut`
Sep 02 15:31:43.204 INFO kablam! 
Sep 02 15:31:43.221 INFO kablam! warning: variable does not need to be mutable
Sep 02 15:31:43.221 INFO kablam!    --> tests/test_basic.rs:323:13
Sep 02 15:31:43.221 INFO kablam!     |
Sep 02 15:31:43.221 INFO kablam! 323 |         let mut list = root.find_mut("list").unwrap();
Sep 02 15:31:43.221 INFO kablam!     |             ----^^^^
Sep 02 15:31:43.221 INFO kablam!     |             |
Sep 02 15:31:43.221 INFO kablam!     |             help: remove this `mut`
Sep 02 15:31:43.221 INFO kablam! 
Sep 02 15:31:43.250 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.05s
Sep 02 15:31:43.259 INFO kablam! su: No module specific data is present
Sep 02 15:31:43.713 INFO running `"docker" "rm" "-f" "5a6a609f1d4dc0f8cb69bbda8d5fe88882a81eeb32006358c14956595ed53592"`
Sep 02 15:31:43.842 INFO blam! 5a6a609f1d4dc0f8cb69bbda8d5fe88882a81eeb32006358c14956595ed53592